.NET Framework: Denial of Service via network-based buffer overflow
Summary
.NET Framework: Denial of Service via network-based buffer overflow. Red Hat rates this important (CVSS 7.5). Weakness: CWE-120. Red Hat lists fixing advisory RHSA-2026:26638 with package dotnet10-0-main-10.0.109-1.hum1, dotnet9-0-main-9.0.118-1.hum1.
What this means
In plain English
.NET Framework: Denial of Service via network-based buffer overflow. Red Hat rates this important (CVSS 7.5). Weakness: CWE-120. Red Hat lists fixing advisory RHSA-2026:26638 with package dotnet10-0-main-10.0.109-1.hum1, dotnet9-0-main-9.0.118-1.hum1. Memory corruption can crash the affected process and, where the advisory states code execution is possible, may expose the host to further compromise.
Recommended action
Primary action: update to a vendor-listed fixed release: dotnet10-0-main-10.0.109-1.hum1, dotnet9-0-main-9.0.118-1.hum1, RHSA-2026:26638.
Rewritten locally from the scraped official advisory data above; no generative API is used. The vendor advisory is authoritative.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 3 hours ago·verify at source
- dotnet10-0-main-10.0.109-1.hum1
- dotnet9-0-main-9.0.118-1.hum1
- RHSA-2026:26638
Official advisory · high-confidence parse· fetched 3 hours ago·verify at source
Mitigation
Upgrade to a fixed release: dotnet10-0-main-10.0.109-1.hum1, dotnet9-0-main-9.0.118-1.hum1, RHSA-2026:26638. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 3 hours ago·verify at source
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